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  <title>获取所支持的模式</title>
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 <body class="docs"><div id="layout">
  <div id="layout-content"><div id="function.mcrypt-list-modes" class="refentry">
 <div class="refnamediv">
  <h1 class="refname">mcrypt_list_modes</h1>
  <p class="verinfo">(PHP 4 &gt;= 4.0.2, PHP 5, PHP 7 &lt; 7.2.0, PECL mcrypt &gt;= 1.0.0)</p><p class="refpurpose"><span class="refname">mcrypt_list_modes</span> &mdash; <span class="dc-title">获取所支持的模式</span></p>

 </div>
 <div id="function.mcrypt-list-modes-refsynopsisdiv">
  <div class="warning"><strong class="warning">Warning</strong><p class="simpara">This function has been
<em class="emphasis">DEPRECATED</em> as of PHP 7.1.0. Relying on this function
is highly discouraged.</p></div>
 </div>
 <div class="refsect1 description" id="refsect1-function.mcrypt-list-modes-description">
  <h3 class="title">说明</h3>
  <div class="methodsynopsis dc-description">
   <span class="methodname"><strong>mcrypt_list_modes</strong></span>
    ([ <span class="methodparam"><span class="type">string</span> <code class="parameter">$lib_dir</code><span class="initializer"> = ini_get(&quot;mcrypt.modes_dir&quot;)</span></span>
  ] ) : <span class="type">array</span></div>

  <p class="para rdfs-comment">
   获取 <code class="parameter">lib_dir</code> 中
   包含的受支持的模式。
  </p>
 </div>


 <div class="refsect1 parameters" id="refsect1-function.mcrypt-list-modes-parameters">
  <h3 class="title">参数</h3>
  <p class="para">
   <dl>

    
     <dt>
<code class="parameter">lib_dir</code></dt>

     <dd>

      <p class="para">
       指定模式所在的位置。
       如果未指定，将使用 <var class="filename">php.ini</var>
       中的 <em>mcrypt.modes_dir</em> 指示所指定的位置。
      </p>
     </dd>

    
   </dl>

  </p>
 </div>


 <div class="refsect1 returnvalues" id="refsect1-function.mcrypt-list-modes-returnvalues">
  <h3 class="title">返回值</h3>
  <p class="para">
   以数组形式返回受支持的模式。
  </p>
 </div>


 <div class="refsect1 examples" id="refsect1-function.mcrypt-list-modes-examples">
  <h3 class="title">范例</h3>
  <p class="para">
   <div class="example" id="example-913">
    <p><strong>Example #1 <span class="function"><strong>mcrypt_list_modes()</strong></span> 例程</strong></p>
    <div class="example-contents">
<div class="phpcode"><pre><span style="color: #000000">
<span style="color: #0000BB">&lt;?php<br />&nbsp;&nbsp;&nbsp;&nbsp;$modes&nbsp;</span><span style="color: #007700">=&nbsp;</span><span style="color: #0000BB">mcrypt_list_modes</span><span style="color: #007700">();<br /><br />&nbsp;&nbsp;&nbsp;&nbsp;foreach&nbsp;(</span><span style="color: #0000BB">$modes&nbsp;</span><span style="color: #007700">as&nbsp;</span><span style="color: #0000BB">$mode</span><span style="color: #007700">)&nbsp;{<br />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;echo&nbsp;</span><span style="color: #DD0000">"</span><span style="color: #0000BB">$mode</span><span style="color: #DD0000">&nbsp;&lt;br&nbsp;/&gt;\n"</span><span style="color: #007700">;<br />&nbsp;&nbsp;&nbsp;&nbsp;}<br /></span><span style="color: #0000BB">?&gt;</span>
</span>
</pre></div>
    </div>

    <div class="example-contents"><p>
     本例程列出在默认目录中
     所有受支持的模式。
     如果在 <var class="filename">php.ini</var> 中未指定 <em>mcrypt.modes_dir</em>，
     则使用默认的 mcrypt 库
     安装目录（<var class="filename">/usr/local/lib/libmcrypt</var>）。
    </p></div>
   </div>
  </p>
 </div>

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